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Silverlight

PRODUCT

· dossier confidence 50%

Microsoft Silverlight is a discontinued legacy platform with a documented history of critical remote code execution vulnerabilities that were actively exploited in ransomware attacks and information disclosure scenarios.

PROFILE
Categorylegacy_software_componentWhat they doMicrosoft Silverlight is a discontinued web application platform that was widely used for rich internet applications before being replaced by HTML5.
SECURITY POSTURE

Legacy software with a history of critical remote code execution vulnerabilities that were actively exploited in the wild.

Notable failures
  • CVE-2016-0034 critical RCE exploited in ransomware attacks
  • CVE-2013-0074 double dereference RCE via crafted HTML
  • CVE-2013-3896 pointer validation failure leading to sensitive info disclosure
Patterns: critical RCE vulnerabilities in legacy browser plugin; lack of proper pointer validation in Silverlight elements
FAILURE HISTORY · 3
DATEEVENTSEVSUMMARY
2022-05-25 CVE-2016-0034 critical Microsoft Silverlight's remote code execution vulnerability was actively exploited in the wild and linked to ransomware attacks.
2022-05-25 CVE-2013-0074 critical A double dereference vulnerability in Microsoft Silverlight allowed remote attackers to execute code via crafted HTML objects.
2022-05-25 CVE-2013-3896 high A legacy Microsoft Silverlight vulnerability (CVE-2013-3896) allowed remote attackers to extract sensitive data via pointer validation flaws.
Open questions: Current deployment status of Silverlight in enterprise environments · Remediation timeline for legacy systems still using Silverlight
DOSSIER · dex-RAG synthesis · grounded in our own collection + trusted sourcesbuilt 2026-08-02 03:48:13.550993+00:00